Cover



FIG. 1 is a top perspective view of a cover showing our new design in a closed configuration;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is a bottom perspective view thereof in an open configuration.

Surfaces and details not shown in the views form no part of the claimed design; and, the broken line portions of the figures show unclaimed subject matter and form no part of the claimed design. 

We claim the ornamental design for a cover, as shown and described. 